Datasheet

UCC28089
SLUS623A -- SEPTEMBER 2004 -- REVISED AUGUST 2006
14
www.ti.com
TYPICAL CHARACTERISTICS
Figure 11
OSCILATOR FREQUENCY
vs
RA x CT
f
OSC
-- Oscilator Frequensy -- Hz
RA x CT -- s
10 M
1M
100 K
10 K
1K
100
1M
R
A
= 76.8 kΩ
R
B
=0Ω
VDD = 10 V
10 μ 100 μ1 μ
Figure 12
DISCHARGE TIME
vs
CT
T
discharge
-- Discharge Time-- s
CT-- Farad
100 P
10 n
100 n
10 n
1 n 100 n
R
A
= 76.8 kΩ
R
B
=0Ω
VDD = 10 V
1 μ
1 μ
10 μ
Figure 13
SYNC PULSE WIDTH
vs
TEMPERATURE
SYNC -- Pulse Width-- ns
Tj -- Temperature -- °C
--50 50 125
85
75
25 100750-- 2 5
80
90
105
95
100
110
115
R
A
=110kΩ
R
B
= 182 Ω
C
T
= 220 pF
Figure 14
OUTPUT DEAD TIME
vs
TEMPERATURE
T
O
-- Output Dead Time -- ns
Tj -- Temperature -- °C
--50 50 125
95
90
25 100750-- 2 5
100
115
105
110
120
125
80
85
R
A
=110kΩ
R
B
= 182 Ω
C
T
= 220 pF